* [PATCH][PPC32] Fix mv64x60 register relocation bug in bootwrapper
@ 2005-02-08 20:59 Mark A. Greer
0 siblings, 0 replies; only message in thread
From: Mark A. Greer @ 2005-02-08 20:59 UTC (permalink / raw)
To: akpm; +Cc: Nathaniel Case, Embedded PPC Linux list
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The gt64260 looks at the highest 20 bits while the mv64[34]60 looks at
only the highest 16 bits when determining the base address for the
bridge's registers. This patch adds support for both.
Please apply.
Signed-off-by: Nate Case <ncase@xes-inc.com>
Signed-off-by: Mark A. Greer <mgreer@mvista.com>
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diff -Nru a/arch/ppc/boot/simple/misc-mv64x60.S b/arch/ppc/boot/simple/misc-mv64x60.S
--- a/arch/ppc/boot/simple/misc-mv64x60.S 2005-02-08 13:55:06 -07:00
+++ b/arch/ppc/boot/simple/misc-mv64x60.S 2005-02-08 13:55:06 -07:00
@@ -32,7 +32,11 @@
#if (CONFIG_MV64X60_NEW_BASE != CONFIG_MV64X60_BASE)
move_base:
li r20,0
+#ifdef CONFIG_GT64260
li r23,20
+#else /* Must be mv64[34]60 which uses top 16 bits */
+ li r23,16
+#endif
/* Relocate bridge's regs */
addis r25,0,CONFIG_MV64X60_BASE@h
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2005-02-08 20:59 [PATCH][PPC32] Fix mv64x60 register relocation bug in bootwrapper Mark A. Greer
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